/*! ******************************************************************************
 *
 * Created on 2021年11月13日
 *
 * Copyright(c) YuZhou Big Data Laboratory CO.,Ltd, 2022.  All rights reserved.
 *
 *******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/
package org.yzbdl.lanius.ui.spoon.market.browser.function;

import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.BrowserFunction;
import org.yzbdl.lanius.ui.spoon.market.browser.FunctionContext;

/**
 * 将java作为js方法注册到swt的抽象类
 * @author yzbdl@yzbdl.ac.cn
 *
 */
public abstract class MarketFunction {
	protected FunctionContext functionContext;

	protected abstract String getJsFuntionName();

	protected abstract Object javaFunction(Object[] arg0) throws Exception;

	public void regist(FunctionContext functionContext) {
		this.functionContext = functionContext;
		new BrowserFunctionDelegete(functionContext.getBrowser(), this.getJsFuntionName());
	}

	class BrowserFunctionDelegete extends BrowserFunction {

		public BrowserFunctionDelegete(Browser arg0, String arg1) {
			super(arg0, arg1);
		}

		@Override
		public Object function(Object[] arg0) {
			try {
				return javaFunction(arg0);
			} catch (Exception e) {
				e.printStackTrace();
			}
			return null;
		}
	}
}
